In this episode, a group trains to defend against zombies, practicing vital acupoint strikes to incapacitate the infected. Felix, weakened by past injuries, struggles but pushes through intense drills. Meanwhile, two characters confront their shared enemy, Yale, but hesitate to take on his large group alone. They search for weapons and shelter, discovering a gun that shifts the odds. Just as one prepares to use it, a mysterious voice warns, 'Don't shoot!' leaving the pair facing an unexpected dilemma that could change their plan of revenge.